#include <glib.h>
#include <stdio.h>
+#include <sys/select.h>
#include <stdlib.h>
#include <string.h>
#include <xcb/xcb.h>
int foo;
} d_options_t;
-static gint
-all_screens(d_display_t *dpy, d_screen_t **list)
-{
- static const xcb_setup_t *setup;
- xcb_screen_iterator_t it;
- int count, i;
- d_screen_t sc;
-
- setup = xcb_get_setup(dpy->conn);
-
- count = i = 0;
- for (it = xcb_setup_roots_iterator(setup); it.rem; xcb_screen_next(&it)) {
- sc.super = *it.data;
- sc.dpy = dpy;
- sc.num = i++;
- if (screen_register(&sc)) {
- ++count;
- *list = realloc(*list, sizeof(d_screen_t)*count);
- (*list)[count-1] = sc;
- printf(_("managing screen %d\n"), sc.num);
- }
- }
- return count;
-}
-
-static d_screen_t*
-screen_from_root(d_screen_t *list, int n, xcb_window_t root)
-{
- int i;
- for (i = 0; i < n; ++i)
- if (list->super.root == root) return &list[i];
- g_assert_not_reached();
- return NULL;
-}
-
-static
-void read_options(int argc, char **argv, d_options_t *opts)
+static void
+read_options(int argc, char **argv, d_options_t *opts)
{
opts->foo = argc && argv;
}
-int
-main(int argc, char **argv)
+static void
+event(d_display_t *dpy)
{
- d_display_t *dpy;
- d_screen_t *screens = NULL;
- int nscreens;
xcb_generic_event_t *ev;
- d_options_t opts;
-
- read_options(argc, argv, &opts);
- dpy = display_open(NULL);
- if (!dpy) {
- printf(_("Unable to connect to display\n"));
- return 1;
- }
-
- nscreens = all_screens(dpy, &screens);
- if (nscreens < 1) {
- printf(_("found no screens to run on\n"));
- display_unref(dpy);
- return 0;
- }
-
- while ((ev = xcb_wait_for_event(dpy->conn))) {
+ while ((ev = xcb_poll_for_event(dpy->conn))) {
printf("event %d\n", ev->response_type);
if (!ev->response_type) {
display_error(dpy, (xcb_generic_error_t*)ev);
free(ev);
- continue;
+ return;
}
switch (ev->response_type) {
d_screen_t *sc;
cev = (xcb_create_notify_event_t*)ev;
- sc = screen_from_root(screens, nscreens, cev->parent);
+ sc = display_screen_from_root(dpy, cev->parent);
if (!sc) break;
screen_add_window(sc, cev->window);
break;
d_window_t *w;
dev = (xcb_destroy_notify_event_t*)ev;
- sc = screen_from_root(screens, nscreens, dev->event);
+ sc = display_screen_from_root(dpy, dev->event);
if (!sc) break;
w = screen_find_window(sc, dev->window);
w->hide(w);
d_window_t *w;
rev = (xcb_reparent_notify_event_t*)ev;
- sc = screen_from_root(screens, nscreens, rev->event);
+ sc = display_screen_from_root(dpy, rev->event);
if (!sc) break;
w = screen_find_window(sc, rev->window);
if (rev->parent == sc->super.root)
d_window_t *w;
mev = (xcb_map_notify_event_t*)ev;
- sc = screen_from_root(screens, nscreens, mev->event);
+ sc = display_screen_from_root(dpy, mev->event);
if (!sc) break;
w = screen_find_window(sc, mev->window);
- window_show(w);
+ w->show(w);
break;
}
case XCB_UNMAP_NOTIFY:
d_window_t *w;
mev = (xcb_unmap_notify_event_t*)ev;
- sc = screen_from_root(screens, nscreens, mev->event);
+ sc = display_screen_from_root(dpy, mev->event);
if (!sc) break;
w = screen_find_window(sc, mev->window);
- window_hide(w);
+ w->hide(w);
break;
}
default:
}
free(ev);
}
+}
+
+static void
+paint(d_display_t *dpy)
+{
+ int i;
+
+ for (i = 0; i < dpy->nscreens; ++i) {
+ d_screen_t *sc = display_screen_n(dpy, i);
+
+ sc->paint(sc);
+ }
+}
+
+static void
+run(d_display_t *dpy)
+{
+ gboolean quit;
+ fd_set fds;
+ int max = -1;
+
+ FD_ZERO(&fds);
+ FD_SET(dpy->fd, &fds);
+ max = MAX(max, dpy->fd);
+
+ paint(dpy);
+
+ quit = FALSE;
+ while (!quit) {
+ int r;
+
+ r = select(max+1, &fds, NULL, NULL, NULL);
+ if (r < 0)
+ printf("select error\n");
+ else if (r == 0)
+ printf("select timeout\n");
+ else {
+ printf("select data\n");
+ /*if (FD_ISSET(dpy->fd, &fds))*/ {
+ event(dpy);
+ paint(dpy);
+ }
+ }
+
+ if (xcb_connection_has_error(dpy->conn))
+ quit = TRUE;
+ }
+}
+
+int
+main(int argc, char **argv)
+{
+ d_display_t *dpy;
+ d_options_t opts;
+
+ read_options(argc, argv, &opts);
+
+ dpy = display_open(NULL);
+ if (!dpy) {
+ printf(_("Unable to connect to display\n"));
+ return 1;
+ }
+
+ if (!dpy->composite.present) {
+ printf(_("no composite extension present on the display\n"));
+ display_unref(dpy);
+ return 1;
+ }
+ if (!dpy->xfixes.present) {
+ printf(_("no xfixes extension present on the display\n"));
+ display_unref(dpy);
+ return 1;
+ }
+ if (!dpy->damage.present) {
+ printf(_("no damage extension present on the display\n"));
+ display_unref(dpy);
+ return 1;
+ }
+ if (!dpy->render.present) {
+ printf(_("no render extension present on the display\n"));
+ display_unref(dpy);
+ return 1;
+ }
+ if (dpy->composite.major_version <= 0 && dpy->composite.minor_version < 3)
+ {
+ printf(_("composite extension does not support the overlay window"));
+ display_unref(dpy);
+ return 1;
+ }
+
+ if (!display_claim_screens(dpy)) {
+ printf(_("found no screens to run on\n"));
+ display_unref(dpy);
+ return 0;
+ }
+
+ run(dpy);
display_unref(dpy);
return 0;